<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Bootstrap</title>
    <!-- 最新版本的 Bootstrap 核心 CSS 文件 -->
    <link rel="stylesheet" href="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/3.4.1/css/bootstrap.min.css" integrity="sha384-HSMxcRTRxnN+Bdg0JdbxYKrThecOKuH5zCYotlSAcp1+c8xmyTe9GYg1l9a69psu" crossorigin="anonymous">
    <style>
        .border{
            border: 1px solid red;;
        }
        .all{
            background-color: yellow;
        }

    </style>
</head>
<body>
    <a class="btn btn-default" href="#" role="button">跳转百度</a>
    <button type="button" class="btn btn-success">（成功）Success</button>
    <div class="container-fluid all">
        <div class="row">
            <div class="col-md-2 border">
                <h1>标题</h1>
            </div>
            <div class="col-md-2  border">
                <p>内容</p>
            </div>
        </div>
    </div>
   
    <!-- 最新的 Bootstrap 核心 JavaScript 文件 -->
<script src="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/3.4.1/js/bootstrap.min.js" integrity="sha384-aJ21OjlMXNL5UyIl/XNwTMqvzeRMZH2w8c5cRVpzpU8Y5bApTppSuUkhZXN0VxHd" crossorigin="anonymous"></script>
</body>
</html>